TY  - BOOK
AU  - Cohen,Joel E.
AU  - Briand,Frederic
AU  - Newman,Charles M.
TI  - Community food webs: data and theory 
SN  - 3540511296
PY  - 1990///
CY  - Berlin
PB  - Springer-Verlag
KW  - Food chains(Ecology)
KW  - Mathematical models
ER  -